Actually it only flickers if I extend my display, If i just keep it on one screen it doesnt flicker. I have XFX r9 280x, Asrock z97 pro4. And using Dell Moniter(Dell 24" Class Widescreen LED Monitor - 1920 x 1080, 16:9, 7000000:1 Dynamic, 60Hz, 5ms, HDMI, DVI, VGA, Energy Star - ST2421L)
And yes im connecting it to my graphics card.
http://pcpartpicker.com/p/JQkM4D